From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: syscall rmdir hangs with autofs Date: Mon, 19 Jul 2010 18:03:30 +0300 Message-ID: <4C446942.6090907@redhat.com> References: <20100719083932.187C6303001B@mail.linux-ag.de> <4C44333B.5090709@redhat.com> <20100719114034.62BDD30303F5@mail.linux-ag.de> <4C444358.8010500@redhat.com> <20100719124847.0CDBBA005F@mail.linux-ag.de> <4C444E78.8030907@redhat.com> <20100719134558.A0CD2A005F@mail.linux-ag.de> <4C445A94.2050802@redhat.com> <20100719144750.334F2303001B@mail.linux-ag.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Sebastian Hetze Return-path: Received: from mx1.redhat.com ([209.132.183.28]:21120 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935221Ab0GSPDe (ORCPT ); Mon, 19 Jul 2010 11:03:34 -0400 In-Reply-To: <20100719144750.334F2303001B@mail.linux-ag.de> Sender: kvm-owner@vger.kernel.org List-ID: On 07/19/2010 05:47 PM, Sebastian Hetze wrote: > On Mon, Jul 19, 2010 at 05:00:52PM +0300, Avi Kivity wrote: > >> On 07/19/2010 04:45 PM, Sebastian Hetze wrote: >> >>> >>>> It looks like VFS breakage. Does this happen with older guest kernels? >>>> >>>> >>> currently I can confirm this problem with 2.6.31-22-generic-pae back to >>> 2.6.31-16-generic-pae. What guest kernel version would you suggest? >>> >>> >> Can you try it on a non-virtualized system? >> > This automount setup has been running non-virtualized for quite a while > without problems until last year. Never seen or heared about similar hangs > with automount before. > We have not been able to reproduce this error in laboratory conditions. > The productive system has 2TB data and the problem occurs totally > unpredictable with real live workload. > And there is no easy way to switch back to non-virtualized unless we > declare this whole project a failure. > Ahem. What's your hardware platform? EPT/NPT capable? Host kernel version? -- error compiling committee.c: too many arguments to function